Taubman, Philip (27 de junio de 1982). «Former colleague aided U.S. in trapping ex-C.I.A. agent». The New York Times(en inglés). Nueva York: The New York Times Company. Consultado el 26 de mayo de 2017. «After his arrival in the early evening, he met with Mr. Keiser, a lawyer from Geneva and several other associates, never leaving the international zone of the Zurich airport. Swiss Officials Alerted. The Swiss authorities, alerted about his travel plans by the United States, did not interfere with his movements. Several United States marshals shadowed Mr. Wilson on his 24-hour stopover at the airport.»
Taubman, Philip (16 de junio de 1982). «Fugitive former spy; lured out of Libya, arrested at Kennedy». The New York Times(en inglés). Nueva York: The New York Times Company. Consultado el 26 de mayo de 2017. «Presumably confident, Mr. Wilson left Tripoli several days ago on his way to the Dominican Republic, with brief stops in Switzerland and Madrid. Law-enforcement officials said that Mr. Wilson, traveling under an assumed name on the Irish passport, never left the international zone of the two European airports. He made several calls to bankers while in Switzerland, they said.»
Taubman, Philip (26 de agosto de 1981). «Team Of Ex-Green Berets Trained Terrorists For Libyan Government». The New York Times(en inglés). Nueva York: The New York Times Company. Consultado el 26 de mayo de 2017. «In Washington, on July 25, Mr. Thompson and three former Green Berets were given travel documents, $1,000 in cash, airplane tickets to Zurich via New York, and a description of a man who would meet them at the Zurich airport. We were told to stay in the international zone and not to go through customs in Zurich, Mr. Thompson said.»
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Rubin, Alissa (24 de abril de 2007). «The struggle for Iraq; Frustration Unites Sunni and Shiite in Opposition to Baghdad Wall». The New York Times(en inglés). Nueva York: The New York Times Company. Consultado el 26 de mayo de 2017. «A man who had waited in line for more than two hours to get into the fortified International Zone, formerly known as the Green Zone, on Monday said no one explained the reason for the delay to the nearly 200 people standing there. Why, why? What did I do? he said to no one in particular, as a soldier who had briefly appeared near the front of the line walked away.»
